Luyten 847-61

light-years

Catalog numbers:
     Bonner Durchmusterung (BD) -12°4935, Giclas (G) 154-47, Hipparcos Input Catalog (HIC) 88962, Vyssotsky McCormick (McC) 177, Luyten (L) 847-61, Luyten Two-Tenth (LTT) 7218
Arity: singular
Right Ascension and Declination: 18h9m33.218s, -12°2'19.89" (epoch 2000.0)
Distance from Sol: 86.4 light-years (26.5 parsecs)
Standard error in distance: 6.6485%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 3.52, -84.4, -18.0
Galactic (X,Y,Z) coordinates in ly: 82.1, 26.3, 4.56
Proper motion: 0.208 arcsec/yr (171.9° from north)
Radial Velocity: -2.2 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 5.06, -20.3, -15.8

What do all these fields mean?


Spectral class: K7
Luminosity Class: V
Apparent visual magnitude: +10.49
Absolute visual magnitude: +8.38
Visual luminosity: 0.039 x Sol
Color indices: B-V= +1.38, U-B= +1.17, R-I= +0.66
Comfort Zone (visual): 0.20 A.U.s

light-years
but not more than light-years away
Data for this star system were most recently updated on 4-April-2001.